Model: MIL-F-18866

Tube Reducer

Properties:

Thread Class
2a 2nd end
Thread Class
2b 1st end
Reducer Type
Concentric
End Application
Armored vehicle launch bridge (m60a1 & m48a5)
Connection Style
Flareless (tube) 2nd end
Connection Style
Swivel nut, flare (tube) style 3 optional end 1st end
Connection Type
Threaded external tube 2nd end
Connection Type
Threaded internal tube 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches 2nd end
Thread Size
1.062 inches 1st end
Seat Angle
12.0 degrees 2nd end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.375 inches 2nd end
Outside Diameter Tube Accommodated
0.750 inches 1st end
Nominallength
1.090 inches
Material
Steel comp 12l14
Material Specification
Fed standard 66, comp 12l14 federal standard single material response
Surface Treatment Specification
J514 assn standard single treatment response and qq-p-416, type 2, cl 3 federal specification single treatment response
Thread Series Designator
Unf all ends
Furnished Items And Quantity
1 tube coupling nut w/sleeve
Specification Data
81343-j514 professional/industrial association standard and 81349-mil-f-18866 government specification
Nondefinitive Specification/std Data
15 figure
NSN
4730-00-675-9217
Part Number
MIL-F-18866
Description
Reducer,tube
CAGE
81349

A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes bushing (as modified).

Part MIL-F-18866 NSN 4730-00-675-9217

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
08506
FIIG:
A080B0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
052190
UFC:
30000
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7307994000
  • SITC: 67959
  • End Use: Iron and steel products, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Other fittings nesoi of alloy steel not stainless

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